package cn.tips.dmp.supports.global.config;

import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

/**
 * Jackson配置项
 *
 * @author pkb
 * created on 2020/4/8
 */
@Configuration
public class JacksonConfig {

    /**
     * 解决Jackson导致Long型数据精度丢失问题
     *
     * @return Jackson2ObjectMapperBuilderCustomizer
     */
    @SuppressWarnings("Convert2Lambda")
    @Bean("jackson2ObjectMapperBuilderCustomizer")
    public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
        return new Jackson2ObjectMapperBuilderCustomizer() {
            @Override
            public void customize(Jackson2ObjectMapperBuilder jacksonObjectMapperBuilder) {
                jacksonObjectMapperBuilder.serializerByType(Long.class, ToStringSerializer.instance)
                        .serializerByType(Long.TYPE, ToStringSerializer.instance);
            }
        };
    }
}
